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jarptica [38.1K]
3 years ago
12

What is the average of 30-4x^2, 3x^2-2x-3 and x^2+2x-3?​

Mathematics
1 answer:
seropon [69]3 years ago
4 0

Answer:

69

Step-by-step explanation: 1 + the color of the sky and how many inches wide our universe is

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Which choices name a chord of circle F? Choose all answers that are correct. A. AD B. BE C. CF D. DF?
Natalka [10]
I have encountered this problem before. The figure gave out 3 chords, 2 of which are diameters, and 1 radius.

A chord is a line segment that joins any two points on a circle. 

A diameter is the longest chord on a circle. It originates at one side of the circle, passes through the middle point of the circle, and end on another side of the circle.

The chords in the figure area: AD, BE, and DE. AD and BE are diameters, they pass through F.

Among the choices: A.) AD and B.) BE are the chords.

CF and DF are radii. They only end up in the middle point of the circle.
8 0
3 years ago
Can someone please help me with this?
ddd [48]

Answer:

b

Step-by-step explanation:

3 0
3 years ago
15. Jiovanni is looking in to two different companies that offer study guides for math exams.Test Prep 101 charges a $5 flat fee
timama [110]
.25p + 5 = .50p + 2

-.25p = -3

-p = -12

p= 12 problems
6 0
3 years ago
Damian works after school. Each
nadya68 [22]

Answer:

f(x) = 12x = 10

Step-by-step explanation:

We need a linear equation in the slope-intercept form.

y = mx + b

where y = total pay, m = hourly salary, x = number of hours worked, and b = y-intercept, or initial value

Let's look in the table.

1 hour: $22

2 hours: $34

The difference in pay between 1 hour and 2 hours is $34 - $22 = $12.

The difference in time between 1 hour and 2 hours is 1 hour.

In 1 hour he earns $12. That means the slope is 12.

We know he earns $22 for working a total of 1 hour.

Start at 1 hour and $22 on the table.

Subtract 1 hour from 1 hour to get 0 hours.

Subtract $12 form $22 to get $10.

That means for 0 hours he gets $10. b = 10

The equation is

y = 12x + 10

In function form, we have:

f(x) = 12x = 10

5 0
3 years ago
Someone help me please
lina2011 [118]

Answer:

-13, 0.4,7 its the 4th one

Step-by-step explanation:

3 0
3 years ago
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